Question

Express the following in standard form:

Human body has 1 trillon of cells which vary in shapes and sizes.

Answer 1

Cells in human body = 1 trillion

∵ 1 trillion = 1000000000000

Standard form of 1000000000000

= 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10  ...[∵ a^m × aⁿ = (a)^{m + n}]

= 10¹²